ThisHSTNN-IBPW 48Wh Battery is designed specifically for HP high-end laptops. The model number (HP Spectre XT 15-4000EW, 15-4000eg) and part number (TPN-C105) are identical.
Below are detailed information and usage recommendations for this battery:
1. Core Battery SpecificationsModel/Part Number: HSTNN-IBPW
This is HP’s internal battery component number, used for accurate identification and replacement.
Compatible HP Part Number: TPN-C105
This is another common identification number, referring to the same battery as HSTNN-IBPW.
Rated Capacity: 48Wh (Watt-Hours)
This is a core measure of a battery’s energy storage capacity. The higher the number, the theoretically longer theHSTNN-IBPW 48Wh Battery i life. For a 15.6-inch laptop, 48Wh was considered a high-end capacity at the time.
Voltage: Typically 10.8V or 11.1V (nominal), corresponding to a 3.6V or 3.7V series connection of the internal cells.
Cell Type: Almost certainly a lithium-ion (Li-ion) battery.
Form Factor: Rectangular, internal battery, not an externally removable “strip” battery.
2. Compatible ModelsThis battery is designed specifically for the HP Spectre XT Ultrabook series released by HP around 2012-2013. The model numbers you listed are completely correct, including:
HP Spectre XT Pro 15-4000ew
HP Spectre XT Pro 15-4000eg
HP Spectre XT Pro 15-4000ei
and other very similar variants (usually starting with 15-4000).
Important: Before purchasing a replacement battery, the most reliable way is to check the exact model number on the label on the bottom of your laptop to confirm it is HSTNN-IBPW or TPN-C105 to ensure 100% compatibility.
Battery Aging Symptoms:
Significantly Reduced Battery Life: A brand new 48Wh battery may have provided 4-6 hours of battery life (depending on usage), but now it may only last an hour or less.
Inaccurate Battery Display: You may experience sudden drops in the battery percentage, the computer suddenly going to sleep, or the
HSTNN-IBPW 48Wh Battery Replacement for HP Spectre XT 15may not charge to 100%.
Bulging: This is the most dangerous sign of lithium-ion battery aging. If you notice bulging or deformation on the battery or the bottom cover of the laptop, stop using it immediately and dispose of it properly. A swollen battery poses a risk of fire.
4. How to Extend Battery Life (If the battery is still usable)If your battery is currently in good condition, following best practices can help slow down its aging:
Avoid extreme battery discharges: Try not to let the battery drain completely (0%) or keep it at 100% for extended periods of time. The ideal usage range is between 20% and 80%.
Avoid high temperatures: High temperatures are the number one killer of lithium batteries. Avoid using or storing your computer in hot environments (such as in a car during the summer), and ensure that the heat vents are unobstructed.
Proper storage: If your computer will be unused for an extended period, charge it to approximately 50% before shutting it down and storing it.
Adjust power settings: In Windows Power Options, select “Balanced” or “Best Efficiency” mode and lower the screen brightness to reduce power consumption.
5. Replacement RecommendationsIf your battery no longer meets your needs, your options are:
Purchase a replacement HP Spectre XT 15 Laptop Battery Replacement:
Third-party battery brands: This is the more common option. Choose reputable third-party battery brands (such as Cameron Sino, BST, SUGU, etc.), which produce compatible batteries for older laptops.
Purchasing warning: Never purchase “copycat” batteries priced significantly below market value. These batteries often use inferior cells, pose safety risks (fires and explosions), and have inflated capacity claims, resulting in poor performance.
Replacement Procedure:
HP Spectre XT 15 Laptop Battery Replacement
Requiring some manual labor is required. This typically involves removing all screws from the bottom cover, carefully prying it open, disconnecting the battery connector, and removing the screws securing the battery to remove it.
Search for “HP Spectre XT 15 battery replacement” for a video tutorial to visually walk through the entire process before deciding whether to perform the replacement yourself or seek professional assistance.
SummaryThe HSTNN-IBPW is a 48Wh battery for older HP Spectre XT 15 laptops. Given its age, its performance has likely degraded significantly. If you need to continue using this laptop, purchasing a high-quality third-party replacement battery is the best option. However, please be cautious and avoid using swollen or low-qualityHSTNN-IBPW battery for HP Spectre XT 15 laptops.
HSTNN-IBPW 48Wh Battery Replacement for HP Spectre XT 15
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